2161260246 has 16 divisors (see below), whose sum is σ = 4337797824. Its totient is φ = 717873864.

The previous prime is 2161260223. The next prime is 2161260331. The reversal of 2161260246 is 6420621612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634716 + ... + 638111.

It is an arithmetic number, because the mean of its divisors is an integer number (271112364).

Almost surely, 2^2161260246 is an apocalyptic number.

2161260246 is an abundant number, since it is smaller than the sum of its proper divisors (2176537578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2161260246 is a wasteful number, since it uses less digits than its factorization.

2161260246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273115.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2161260246 is about 46489.3562657088. The cubic root of 2161260246 is about 1292.9121649292.

Adding to 2161260246 its reverse (6420621612), we get a palindrome (8581881858).

The spelling of 2161260246 in words is "two billion, one hundred sixty-one million, two hundred sixty thousand, two hundred forty-six".